Cerebral Insane was a death/groove metal band from Corrientes, Argentina, formed in May 2017 with a lineup of five members including vocalists Cesar Meza and Esteban Vargas, guitarist Leandro Juarez, bassist Juanma Postigo, and drummer Bruno Sosa. The band released their debut EP "Esquizofrenica" in 2018, featuring tracks "Eutanasia" and "Rompecabeza," and also appeared on the Argentine metal compilation "Voz Eterna" that same year. They have since split up.

Ceremonial Flames is a symphonic black metal band from Teresina, Piauí, Brazil, whose lyrics explore ceremonial magic, Goetia, Kabbalah, Thelema, and Hermeticism. The band was founded by vocalist and occultist Bruno Soares and guitarist Roberto Ryuller, and has performed live in the northeastern Brazilian circuit, including a live recording at Suíça Pub in Pedro II, Piauí.

Cerimonial Sacred is a Christian symphonic black metal (unblack metal) band from Santa Bárbara d'Oeste, São Paulo, Brazil, originally formed in 1998 under the name Mortificado. The duo of brothers Melancton Samengalef and Abissai Darkaliel blends symphonic black metal intensity with overtly Christian lyrical themes, referencing the sacred rituals of worship in the band's name. Their catalog includes the album "Our War Is Only Against Hell" (2005, Extreme Records) and "Christ Worshippers," released through Vision of God Records.

Cernunnos is a folk metal band from Buenos Aires, Argentina, formed in 2012 by Pablo Schivo following the dissolution of his previous project Warknight. They released their debut EP "Mother Earth" in 2013 and their first full-length album "Leaves of Blood" in 2016 through DarkTunes Music Group, followed by the acoustic EP "From Roots" in 2018 and their second album "Capricornvs" in April 2021. The band's sound blends heavy guitars with Celtic and medieval European influences, featuring traditional instruments including bouzouki, flute, and hurdy-gurdy.

Chacina is a thrash metal and crossover band from Piracicaba, São Paulo, Brazil, originally founded in 1990 and reformed around 2004. The band released the "Gaza" EP in 2015 and appeared on Brazilian underground compilations including "Rock n' Roll Delo Tercero Mundo Vol. 1" (1995) and "Stars on the Rock" (2001).

Chakal is a thrash metal band from Belo Horizonte, Brazil, formed in 1985 and one of the pioneering acts of the Brazilian extreme metal scene. Their 1987 debut album Abominable Anno Domini, released on Cogumelo Records, was recorded at JG Studios in Belo Horizonte and has been described as one of the most vicious and accomplished Brazilian thrash/black metal albums of its era. After a long hiatus, the band reunited in 2002 and has continued releasing material, including the albums Deadland (2003), Demon King (2004), and Destroy! Destroy! Destroy! (2013).

Chant of the Goddess is a Brazilian stoner/doom metal band with sludge metal influences, formed in 2017 in the São Paulo state region. The band released a self-titled debut album in 2017, produced by Sebastian Carsin and Renan Angelo, and appeared on the compilation Doomed & Stoned Latinoamerica Vol. I (2018) with the track "Sanctuary of The Scarlet Night."

Chaos Realm is an independent thrash and speed metal band from Barbacena, Minas Gerais, Brazil. The band operates as an unsigned act within Brazil's underground thrash metal scene, with lyrical themes centered on death, blood, earth, and souls.

Chaos Synopsis is a thrash/death metal band from São José dos Campos, São Paulo, Brazil, formed in 2006. The band has released multiple full-length albums including Kvlt ov Dementia (2009), Art of Killing (2013), Seasons of Red (2015), and Gods of Chaos (2017), and has toured in both Brazil and Europe. Their approach blends thrash and death metal while drawing thematic concepts from each album — ranging from madness and serial killers to historical conquerors.